期刊
INTERNATIONAL JOURNAL OF IMMUNOGENETICS
卷 35, 期 4-5, 页码 381-384出版社
WILEY
DOI: 10.1111/j.1744-313X.2008.00795.x
关键词
-
资金
- the European Commission [QLRT-2000-00010, QLRT-CT-2001-01936, MRTN-CT-2004512253]
Previous studies from our group indicated a role of SNPs within the innate immunity receptor NOD2/CARD15 as a risk factor for GvHD and treatment-related mortality allogeneic stem cell transplantation from HLA-identical siblings. We now extended these studies to assess the role of NOD2/CARD15 SNPs in 342 unrelated donor transplants. Overall, presence of any SNPs in patients or donor resulted in an increased risk of severe GvHD (25% in wildtype versus 38% in recipients and donors with variants, P = 0.01), which did not translate in increased mortality. When the analysis was broken down to individual SNPs, the presence of a SNP13 in the donor turned out to be the only highly significant risk factor (GvHD III/IV 22% wt, 42% SNP13 donor, P < 0.004; TRM 33% wt versus 59% SNP13 donor, P = 0.01; overall survival 49% wt versus 26% SNP13 donor, P = 0.007). This association was confirmed in multivariate analysis. Analysis of clinical risk factors suggested that this effect was most prominent in patients receiving any form of T cell depletion. Thus our observation indicates that the presence of a defect in innate immunity signalling in donor monocytes and possibly antigen presenting cells is most prominent in patients having additional T cell deficiency.
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